There’s a great piece on Wired Magazine written by Lisa Katayama about one of the most fascinating Web 2.0 personalities in Japan.
His name is Hiroyuki Nishimura, and you should read the article to know more about what he does. In short, he’s the guy behind 2ch.net and the video site Nico Nico Douga, Japan’s answer to Youtube.
Update and correction: According to Joi Ito, “Japan is an unhappy culture. The people are lonely and depressed, and the Internet is a release valve.”
This was Joi’s opinion about Hiroyuki and his projects, so this whole definition of Japan’s culture was actually from Joi and not Hiroyuki at all. So, perhaps, that’s why Nico Nico Douga and 2ch are very successful in Japan?
Anyways, I think this is probably the most accurate definition of many Japanese people I know.
(Photo by Joi Ito)
This is my personal blog. My name is Oscar Yasser Noriega and some people know me as "Akira". I'm currently based in Tokyo, Japan and I consider myself a full time entrepreneur. You can read a small 
It was a good article.
BTW, ‘According to Hiroyuki, “Japan is an unhappy culture. The people are lonely and depressed, and the Internet is a release valve.”’ is a quote from me.
I just re-read the article and it was my mistake.
It was your quote which makes it even more interesting coming from you, hehe!